Document Detail

Twins: prevalence, problems, and preterm births.
MedLine Citation:
PMID:  20728073     Owner:  NLM     Status:  MEDLINE    
The rate of twin pregnancies in the United States has stabilized at 32 per 1000 births in 2006. Aside from determining chorionicity, first-trimester screening and second-trimester ultrasound scanning should ascertain whether there are structural or chromosomal abnormalities. Compared with singleton births, genetic amniocentesis-related loss at <24 weeks of gestation for twin births is higher (0.9% vs 2.9%, respectively). Selective termination for an anomalous fetus is an option, although the pregnancy loss rate is 7% at experienced centers. For singleton and twin births for African American and white women, approximately 50% of preterm births are indicated; approximately one-third of these births are spontaneous, and 10% of the births occur after preterm premature rupture of membranes. From 1989-2000, the rate of preterm twin births increased, for African American and white women alike, although the perinatal mortality rate has actually decreased. As with singleton births, tocolytics should be used judiciously and only for a limited time (<48 hours) in twin births. Administration of antenatal corticosteroids is an evidence-based recommendation.
Suneet P Chauhan; James A Scardo; Edward Hayes; Alfred Z Abuhamad; Vincenzo Berghella
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Publication Detail:
Type:  Journal Article; Review     Date:  2010-08-21
Journal Detail:
Title:  American journal of obstetrics and gynecology     Volume:  203     ISSN:  1097-6868     ISO Abbreviation:  Am. J. Obstet. Gynecol.     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-09-29     Completed Date:  2010-11-01     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370476     Medline TA:  Am J Obstet Gynecol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  305-15     Citation Subset:  AIM; IM    
Copyright Information:
Copyright © 2010 Mosby, Inc. All rights reserved.
Aurora Health Care and Center for Urban Population Health, Milwaukee, WI, USA.
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MeSH Terms
Amnion / ultrasonography
Birth Rate
Chorion / ultrasonography
Chorionic Villi Sampling
Chromosome Aberrations
Congenital Abnormalities
Fetal Membranes, Premature Rupture
Obstetric Labor, Premature / therapy
Perinatal Mortality
Pregnancy, Multiple*
Premature Birth* / epidemiology,  prevention & control
Ultrasonography, Prenatal

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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